Brake-beam.



PATENTED DEC. 13, 1904.

E. I. DODDS'.

' BRAKE BEAM.

APPLICATION FILED PER 23, 1904.

N0 MODEL.

WHTNESSES 7' I 63%2/t520m No. 777.279. Patented December 13, 1904.

UNITED STATES PATENT OFFICE.

ETHAN I. DODDS, ()F AVALON, PENNSYLVANIA, ASSIGNOR TO PRESSED STEEL CARCOMPANY, OF PITTSBURG, PENNSYLVANIA, A CORPORA- TION ()F NEW' JERSEY.

BRAKE-BEAM.

SPECIFICATION forming part of Letters Patent No. 777,279, dated DecemberI3, 1904.

Application filed February 28, 1904. Serial No. 194,646. (No model.)

T all III/110m 7315 ill 0077/06? bendingot the member 0. The usualfulcrum- Beitlmown thatl, ETHAN I.Do1)1)s, of Avapiece a is then appliedto connect and brace ion, Allegheny county, Pennsylvania, have inthemembers 0 and (Z, and this fulcrum-piece vented anew andusefulBrake-Bcam, of which being riveted to both members (Z (Z ties them5 the following a full, clear, and exact detogether, or they maybeconnected by a sepascription, reference being had to the accomparaterivet-plate. nying drawings, forming part of this specili- In Figs 2 and3 I show the flanges oi the cation, in which members (Z (Z outwardlydirected. In Fig. a

Figure 1 is a plan view showing how the they are inwardly directedtoward the mem- IO flanged beam is slit preparatory to bending it her 0.

into the form of a brake-beam. Fig. 2 shows In Fig. 7 Ishow amodification in which the the brake-beam made from the blank illusmember0 is flanged at its margin, the Hang 6O trated in Fig. 1. Fig. 3 is aplan view of Fig. ing being done simultaneously with the oper- 2. Fig.4l-is aplan view olamodilied construcation of bending it away from themembers 5 tion. Fig. 5 is a vertical section on the line (Z (Z.

V V of Fig. 3. Fig. 6 is a vertical section on In Fig. 8 Ishowamodilication in which the the line VI VI of Fig. l. Fig. 7 is a viewshortening of the metal piece occasioned. by 5 similar to Fig. 5,showing themiddle member the downbending of the member a is comflanged.Fig. 8 is a view similar to Fig. 2, pensated by also bending the members(Z (Z 20 showing the side members bent away from away from the member 0instead of bending the middle member. them laterally toward each other.

The purpose of my invention is to provide Within the scope of myinvention many 7 for the manufacture of brake-beams for carsmodifications maybe made by those skilled in from flanged metal pieces,such as sections of the art, since i 5 I-beams or channels, with theleast possible What I claim is waste of material and in such manner asto 1. Abrake-beamcomposed of aflanged piece obtain an article of greatstrength and rigidity. cut through the web with longitudinal slits, theI make the brake-beam by slitting a flanged middle member and flanged.side members thus bean1-section with slits extendinglongitudiconstituted being separated in a direction 3 nally through itsweb, so as to afford a middle transverse to the web; substantially asdemember and two side members,and then bendscribed. ing the middlemember away from the side 2. Abrakc-beamcomposedoialianged piece membersin a direction transverse to the plane cut through the web withlongitudinal slits,the of the web and accommodating for theshortenmiddle member and flanged side members thus 35 ing oi? the metalso occasioned, preferably by constituted being separated in a directionbending the sidemembers away from the midtransverse to the web, the sidemembers being dle member orlaterally toward each other. bent tocompensate for the shortening of the 5 In Fig. 1, 2 represents a sectionof the metal piece due to the bending of the middle membeam, which maybe an I-beam or a channelber; substantially as described. 4 beam, fromwhich my brake-beam is made. 3. Abrake-beamcomposed o'i'aflanged pieceIt is slit longitudinally through the web by cutthroughthe web withlongitudinal slits,the two cuts 7) 7), thus alibi-ding a middle membermiddle member and flanged side members thus 9 c and two side members (i(I. Then by suitconstituted being separated in a direction able dies themember 0 is bent away from the transverse to the web, and the sidemembers 45 members a d in a direction at right angles to being benttoward each other; substantially the web, and at the same time themembers as described. (Z d are bent together so as to compensate for 4.Abrake-beam composedofaflanged piece m the shortening of the metalcaused by down out through the web withlongitudinal slits,the

transverse to the Web, and the middle member I being flanged;substantially as described.

In testimony whereof I have hereunto set my hand February-l8, 1904i.

ETHAN l. DODDS.

Witnesses:

JOHN MILLER, H. M. GORWIN.

